Home / 16,729.80-25,094.70-12,793.20

Finding the Fourth Proportional to 16,729.80, 25,094.70 and 12,793.20

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Solution

The fourth proportional to 16,729.80, 25,094.70 and 12,793.20 is: 19,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,729.80 : 25,094.70 = 12,793.20 : x
  2. Step 2: Convert to fraction form
    16,729.80/25,094.70 = 12,793.20/x
  3. Step 3: Cross multiply
    16,729.80x = 25,094.70 × 12,793.20
  4. Step 4: Simplify right side
    16,729.80x = 321,041,516.04
  5. Step 5: Solve for x
    x = 321,041,516.04/16,729.80
  6. Step 6: Final answer
    x = 19,189.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.